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What is the norm of $u=(1,-2,-4,5,3)$?
1 answer 58 views
What is the norm of $u=(1,-2,-4,5,3)$?What is the norm of $u=(1,-2,-4,5,3)$? ...
by Maths Genie Bronze Status
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asked in Mathematics Aug 9, 2021
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What are the basic properties of the inner(dot) product?
1 answer 49 views
What are the basic properties of the inner(dot) product?What are the basic properties of the inner(dot) product? ...
by Maths Genie Bronze Status
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asked in Mathematics Aug 9, 2021
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What is a dot (inner) product?
1 answer 36 views
What is a dot (inner) product?What is a dot (inner) product? ...
by Maths Genie Bronze Status
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asked in Mathematics Aug 9, 2021
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What are the basic properties of vectors under the operations of vector addition and scalar multiplication?
1 answer 115 views
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How can I add the vectors and also achieve scalar multiplication?
1 answer 51 views
How can I add the vectors and also achieve scalar multiplication?How can I add the vectors and also achieve scalar multiplication? $u=\left(a_{1}, a_{2}, \ldots, a_{n}\right) \quad$ and $\quad v=\left(b_{1}, b_{2}, ...
by Maths Genie Bronze Status
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asked in Mathematics Aug 9, 2021
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Find the negatives of (a) $u=(3,-5,-8,4)$, (b) $v=(-4,2 \pi, 0)$, (c) $0=(0,0,0,0)$.
1 answer 49 views
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Prove that there exist 3 indices $p, q$ and $r$ such that $p<q<r$ and
1 answer 69 views
Prove that there exist 3 indices $p, q$ and $r$ such that $p<q<r$ andProve that there exist 3 indices $p, q$ and $r$ such that $p&lt;q&lt;r$ and $$ \begin{gathered} a_{p} \leq a_{q} \leq a_{r} \\ b_{p} \leq b_{q} \leq ...
by MathsGee Platinum
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asked in Mathematics Aug 9, 2021
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What does the power of a product rule of exponents state?
1 answer 83 views
What does the power of a product rule of exponents state?What does the power of a product rule of exponents state? ...
by Edzai Zvobwo Bronze Status
(8,816 points)
asked in Mathematics Jul 29, 2021
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How do you simplify the power of a product of two exponential expressions?
1 answer 87 views
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What is the product rule of exponents?
1 answer 88 views
What is the product rule of exponents?What is the product rule of exponents? ...
by MathsGee Platinum
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asked in Mathematics Jul 29, 2021
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What is IUPAC naming?
1 answer 24 views
What is IUPAC naming?What is IUPAC naming? ...
by MathsGee Platinum
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asked in Geography Jul 29, 2021
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If a matrix 18 elements what is the possible order it can have?
1 answer 43 views
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If a matrix 8 elements what is the possible order it can have ?
1 answer 46 views
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Find the matrices $AB$ and $BA$
0 answers 29 views
Find the matrices $AB$ and $BA$\begin{equation} \begin{aligned} &amp;\text { Find } A B \text { and } B A .\\ &amp;\text { Where } A=\left\begin{array}{ccc} 1 &amp; -1 &amp; 1 \\ - ...
by MathsGee Platinum
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asked in Mathematics Jul 24, 2021
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If $A$ is a matrix of order $p \times q$ and $B$ is a matrix of order $q \times r$, then what is the order of the product of matrix $A B$ ?
1 answer 60 views
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What are comparable matrices?
0 answers 45 views
What are comparable matrices?What are comparable matrices? ...
by MathsGee Platinum
(106,844 points)
asked in Mathematics Jul 24, 2021
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Are all matrices linear operators?
1 answer 26 views
Are all matrices linear operators?Are all matrices linear operators? ...
by MathsGee Platinum
(106,844 points)
asked in Mathematics Jul 24, 2021
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Show that $\langle v|A| w\rangle=\sum_{i j} A_{i j} v_{i}^{*} w_{j}$
0 answers 53 views
Show that $\langle v|A| w\rangle=\sum_{i j} A_{i j} v_{i}^{*} w_{j}$Show that $\langle v|A| w\rangle=\sum_{i j} A_{i j} v_{i}^{} w_{j}$ ...
by MathsGee Platinum
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asked in Mathematics Jul 24, 2021
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What are the eigenvalues of $A \otimes B$, where $A, B$ are symmetric matrices and $\otimes$ denotes the tensor product?
0 answers 38 views
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Let $P(n)$ and $S(n)$ denote the product and the sum, respectively, of the digits of the integer $n$.
1 answer 111 views
Let $P(n)$ and $S(n)$ denote the product and the sum, respectively, of the digits of the integer $n$.Let $P(n)$ and $S(n)$ denote the product and the sum, respectively, of the digits of the integer $n$. For example, $P(23)=6$ and $S(23)=5$. Suppose $N ...
by MathsGee Platinum
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asked in Mathematics Jul 16, 2021
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How many natural numbers from 1 to 2016 can be written as the product of an even number and a multiple of five?
0 answers 56 views
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Solve the following equation for $r:-2 r-2.25=3.75-8 r$
1 answer 41 views
Solve the following equation for $r:-2 r-2.25=3.75-8 r$Solve the following equation for $r:-2 r-2.25=3.75-8 r$ ...
by Maths Genie Bronze Status
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asked in Mathematics Jun 17, 2021
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What is the determinant of the product of matrices
1 answer 67 views
What is the determinant of the product of matricesWhat is the determinant of the product of matrices $A=\left\begin{array}{ccc}2 &amp; 3 &amp; -1 \\ 0 &amp; 1 &amp; 2\end{array}\right$ and $B=\left ...
by MathsGee Platinum
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asked in Mathematics Jun 16, 2021
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Solve the following rational equation. $$ \frac{2}{x+3}-\frac{1}{2 x+1}=\frac{8}{2 x^{2}+7 x+3} $$
1 answer 93 views
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Find and simplify the product of the following rational expression. $$ \frac{(x+2)}{x(x-3)} \cdot \frac{3(x-3)}{4} $$
1 answer 155 views
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